[mythtv-users] Recording/live-tv video quality (aka do, PVR150 encoders suck?)

Brad Fuller bradallenfuller at gmail.com
Tue Jan 29 01:30:36 UTC 2008

On Jan 28, 2008 5:22 PM, Brian Wood <beww at beww.org> wrote:
> Brad Fuller wrote:
> >> Another problem is that computer video cards and monitors rarely seem
> >> to have the contrast range of an NTSC TV.  This is especially true of
> >> LCD monitors.  When watching TV or even DVDs on computers, I've often
> >> had to choose between washing out the highlights or having the dark
> >> areas disappear.
> >
> > I think that's more the LCD. AFAIK, you still can't get blacker than
> > black on LCDs. Can you?
> Well there is "reference black" and there is "blanking".
> With analog NTSC video reference black is technically 7.5 IRE units,
> while blanking is 0 IRE.
> It has, however, become common for some video to go "blacker than
> black", meaning below 7.5 units.

Some video source goes blacker than black, but can LCDs reproduce this?
I was under the impression that CRTs have a wider range than LCDs.

Brad Fuller

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